2201213210221 has 32 divisors (see below), whose sum is σ = 2385664420608. Its totient is φ = 2023484375040.

The previous prime is 2201213210179. The next prime is 2201213210257. The reversal of 2201213210221 is 1220123121022.

It is a cyclic number.

It is not a de Polignac number, because 2201213210221 - 2¹⁵ = 2201213177453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201213210921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134532081 + ... + 134548441.

It is an arithmetic number, because the mean of its divisors is an integer number (74552013144).

Almost surely, 2^{2201213210221} is an apocalyptic number.

It is an amenable number.

2201213210221 is a deficient number, since it is larger than the sum of its proper divisors (184451210387).

2201213210221 is a wasteful number, since it uses less digits than its factorization.

2201213210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17541.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2201213210221 its reverse (1220123121022), we get a palindrome (3421336331243).

The spelling of 2201213210221 in words is "two trillion, two hundred one billion, two hundred thirteen million, two hundred ten thousand, two hundred twenty-one".